This infographic touches on several issues in Scott Panetti's case in a visual fashion:
Earlier coverage of Scott Panetti's case begins at the link.
All prior coverage is in the Scott Panetti category index. The Supreme Court established standards to assess whether severely mentally ill inmates are competent to be executed in a 1986 case, Ford v. Wainwright; more via Oyez. The Court revisited the ruling in 2007 in Panetti v. Quarterman is via Oyez.